Taxon Report

Penstemon clevelandii A. Gray var. mohavensis (D. D. Keck) McMinn

Mojave beardtongue

Print Report


© 2018 Lisa Schauer

Taxon Summary

Penstemon clevelandii var. mohavensis, commonly known as Mojave beardtongue, is a perennial herb in the Plantaginaceae that is . It occurs within Mojavean desert scrub, and Pinyon and juniper woodland, growing at elevations from 925 to 1620 meters. Penstemon clevelandii var. mohavensis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.


  Classification

Scientific Name:
Penstemon clevelandii A. Gray var. mohavensis (D. D. Keck) McMinn
Common Name:
Mojave beardtongue
Family: Plantaginaceae
Element Code: PDSCR1L1D3
USDA Plants Symbol: PECLM2
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Mar-May Mar-May
Elevation: 925-1620 (3035-5315)
General Habitats: Mojavean desert scrub, Pinyon and juniper woodland
Microhabitat: Granitic (often), Rocky
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 31
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 31
California Endemic:  False
California Counties and Islands: Name (Code)
Riverside (RIV), San Bernardino (SBD)
Quads: Name (Quad Code)
Dale Lake (3411526), Fifteenmile Valley (3411741), Indian Cove (3411612), Joshua Tree North (3411623), Joshua Tree South (3411613), Queen Mtn. (3411611), Twentynine Palms (3411621)

Notes

Threats:
Threatened by recreational activities (rock climbing), foot traffic, and trail maintenance. Potentially threatened by alteration of fire regimes, off-highway vehicles, renewable energy development, and mining.
Taxonomy:

Selected References

Proposed Addition to California Rare Plant Rank 1B.2, G5T2 / S2 (2022)
American Midland Naturalist 18(5): 810 (1937)
Illustrated Manual of California Shrubs, p. 511 (1939) by H. McMinn
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].